Background This study investigated the impact of renal dysfunction (RD) on long-term outcomes in elderly patients with acute coronary syndrome (ACS), and evaluated prognostic factors in elderly patients with ACS and RD. mean follow-up period was 502.2??203.6?times. The mean affected person age group was 73.7??9.4?years, and 61.4% from the sufferers were men. Serious RD (eGFR?